Special design for Apple air 11.6"
It also can use for others 11" Notebook such as Dell and Samsung notebook tablet. Please refer to the detail size spec:
Inside size:
305mm (L) X 195mm (W) X 5mm (H)
12 inches X 7.7 inches X 0.2 inches
Bag size:
310mm (L) X 200 mm (W) X 10mm (H)
12.2 Inches X 7.87 inches X 0.39 inches